Insights

Specialized IP Focus Boutique patent practice with engineering-heavy background targeting US and foreign patent prosecution and counseling, indicating opportunities to upsell comprehensive IP strategy, portfolio management, and international filings for Fortune 500 tech clients.

Chicago-Engineered Experience Located in Chicago with a team of engineers-turned-attorneys, suggesting value in offering industry-specific patent analytics, invention disclosures, and faster prosecution for hardware and software-driven innovations common in tech sectors.

Strong Client Parity Serving numerous Fortune 500 technology companies, signaling potential for expanding executive outreach to in-house IP leaders and procurement teams for multi-year retainers, strategic reviews, and co-filings.

Partnership Momentum Recent collaboration with Nielsen demonstrates openness to strategic partnerships to scale filings; leverage this track record to propose joint initiatives, analytics-led patent programs, and expanded firm collaboration.

Growth and Scale Signals Revenue in the tens of millions with a lean firm size implies price-performance efficiency and potential for scalable IP services, such as portfolio audits, budget-friendly filing packages, and tiered service offerings for growing clients.

Similar companies to Hanley, Flight & Zimmerman, LLC

Hanley, Flight & Zimmerman, LLC Tech Stack

Hanley, Flight & Zimmerman, LLC uses 8 technology products and services including Open Graph, Cloudflare, Microsoft Visio, and more. Explore Hanley, Flight & Zimmerman, LLC's tech stack below.

  • Open Graph
    Content Management System
  • Cloudflare
    Content Management System
  • Microsoft Visio
    Dev Tools
  • Zoho Mail
    Email
  • Element UI
    Javascript Frameworks
  • LinkedIn
    Online Community Software
  • Priority Hints
    Performance
  • Google Analytics
    Web Analytics

Hanley, Flight & Zimmerman, LLC's Email Address Formats

Hanley, Flight & Zimmerman, LLC uses at least 1 format(s):
Hanley, Flight & Zimmerman, LLC Email FormatsExamplePercentage
FLast@hfzlaw.comJDoe@hfzlaw.com
77%
Last@hfzlaw.comDoe@hfzlaw.com
13%
Last.First@hfzlaw.comDoe.John@hfzlaw.com
8%
LFirst@hfzlaw.comDJohn@hfzlaw.com
2%

Frequently Asked Questions

What is Hanley, Flight & Zimmerman, LLC's phone number?

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You can contact Hanley, Flight & Zimmerman, LLC's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Hanley, Flight & Zimmerman, LLC's official website and social media links?

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Hanley, Flight & Zimmerman, LLC's official website is hfzlaw.com and has social profiles on LinkedIn.

How much revenue does Hanley, Flight & Zimmerman, LLC generate?

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As of July 2026, Hanley, Flight & Zimmerman, LLC's annual revenue is estimated to be $10M - $25M.

What is Hanley, Flight & Zimmerman, LLC's SIC code NAICS code?

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Hanley, Flight & Zimmerman, LLC's SIC code is 8111 - Legal Services NAICS code is 54111 - Offices of Lawyers.

How many employees does Hanley, Flight & Zimmerman, LLC have currently?

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As of July 2026, Hanley, Flight & Zimmerman, LLC has approximately 44 employees across 1 continents, including North America. Key team members include Legal Assistant: I. V.Ip Paralegal: K. J.Patent Law Clerk: M. D.. Explore Hanley, Flight & Zimmerman, LLC's employee directory with LeadIQ.

What industry does Hanley, Flight & Zimmerman, LLC belong to?

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Hanley, Flight & Zimmerman, LLC operates in the Law Practice industry.

What technology does Hanley, Flight & Zimmerman, LLC use?

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Hanley, Flight & Zimmerman, LLC's tech stack includes Open GraphCloudflareMicrosoft VisioZoho MailElement UILinkedInPriority HintsGoogle Analytics.

What is Hanley, Flight & Zimmerman, LLC's email format?

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Hanley, Flight & Zimmerman, LLC's email format typically follows the pattern of FLast@hfzlaw.com. Find more Hanley, Flight & Zimmerman, LLC email formats with LeadIQ.

When was Hanley, Flight & Zimmerman, LLC founded?

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Hanley, Flight & Zimmerman, LLC was founded in 2002.
Hanley, Flight & Zimmerman, LLC logo

Hanley, Flight & Zimmerman, LLC

Law PracticeIllinois, United States11-50 Employees

Hanley, Flight & Zimmerman, LLC is a boutique intellectual property law practice based in downtown Chicago. The firm concentrates on United States and foreign patent prosecution and counseling. Its team includes practitioners who previously worked as engineers or inventors, bringing practical technical experience to patent work. This combination supports a focused service approach for technology companies, including a client roster that comprises many Fortune 500 firms. In May 2021 the firm announced a partnership with The Nielsen Company to help engineers and in-house teams increase patent filings. HFZ operates in the law practice industry serving clients with U.S. and international patent matters from its Chicago base.

Section iconCompany Overview

Phone number
Website
hfzlaw.com
SIC Code
8111 - Legal Services
NAICS Code
54111 - Offices of Lawyers
Founded
2002
Employees
11-50

Section iconFunding & Financials

  • $10M - $25M

    Hanley, Flight & Zimmerman, LLC's revenue is estimated to be in the range of $10M - $25M

Section iconFunding & Financials

  • $10M - $25M

    Hanley, Flight & Zimmerman, LLC's revenue is estimated to be in the range of $10M - $25M

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